Every new MacBook Pro features an advanced built-in battery that lasts up to 7 hours (8 hours on the 17-inch model) on a single charge. High-performance NVIDIA graphics combine with a vivid LED-backlit display to give you a stunning viewing experience. 17-inch: 2.8GHz Intel Core 2 Duo 4GB Memory 500GB hard drive1 ExpressCard/34 slot Built-in 8-hour battery2 NVIDIA GeForce 9400M + 9600M GT with 512MB